On Tue, Dec 06, 2005 at 08:54:36PM +0300, Vladimir A. Barinov wrote: > This is a patch that fixes spin_lock deadlock in serial ip3106 driver. > The spin_lock_irq(&port->lock,flags) is already called in generic driver > serial_core.c before > port->ops->start_tx(). > So the second call of spin_lock_irq(&port->lock, flags) leads to > deadlock. This could be verified in PREEMPT_DESCTOP case when > these options are enabled: > CONFIG_DEBUG_PREEMPT=y > CONFIG_DEBUG_SPINLOCK=y Serial drivers are maintained by rmk+serial@xxxxxxxxxxxxxxxx, please send to him. Ralf
